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Siemens 3RH2911-1HA11-ZW98 — Contactors

Siemens 3RH2911-1HA11-ZW98 Auxiliary Switch, 1NO+1NC, 10A, S

MPN3RH2911-1HA11-ZW98
Active

Siemens SIRIUS auxiliary switch, 1 NO + 1 NC, 10 A maximum, screw-type terminals, snap-on mounting for 3RT2 contactors and 3RH2 contactor relays, multi-unit packaging of 60.

Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

3RH2911-1HA11-ZW98 — Ratings & Performance
ParameterValue
Rated value @ 24 V10 A
Rated value @ 60 V4.7 A
Rated value @ 110 V3 A
Rated value @ 220 V1.2 A
3RH2911-1HA11-ZW98 — Contacts & Poles
ParameterValue
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RH2911-1HA11-ZW98 — Connection & Mounting
ParameterValue
Mounting methodsnap-on mounting
3RH2911-1HA11-ZW98 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
3RH2911-1HA11-ZW98 — Mechanical
ParameterValue
Width36 mm
Height37.5 mm
Depth43.7 mm

Product details

Switching ratings by voltage

The 3RH2911-1HA11-ZW98: The auxiliary contacts carry a maximum of 10 A. Rated operational current varies by voltage: 6 A at 24 V, 6 A at 125 V, 6 A at 230 V, 6 A at 250 V, 3 A at 400 V, 2 A at 60 V, 1 A at 110 V, and 0.3 A at 220 V. For AC-15 duty at 690 V the rating is 1 A. The AC-15 rated operational current values at 24 V (10 A), 60 V (4.7 A), 110 V (3 A), 220 V (1.2 A), 440 V (0.5 A), and 600 V (0.26 A) define the inductive load switching capability for control circuits.

Mechanical and environmental ratings

Mechanical service life is 10 million switching cycles typical. Front protection class is IP20.

Snap-on mounting to the contactor or contactor relay front. Accepts 2x (0.5 to 1.5 mm²) and 2x (0.75 to 2.5 mm²) with core end processing, or 2x (20 to 16) and 2x (18 to 14) AWG. Dimensions: width 36 mm, depth 43.7 mm, height 37.5 mm.

Frequently asked questions

Who supplies 3RH2911-1HA11-ZW98 and how is it quoted for volume purchases?

The part is sourced and quoted to order against an RFQ through independent distribution channels. Availability and current pricing are confirmed at the time of quotation.

What is the closest functional alternative to 3RH2911-1HA11-ZW98?

The 3RH2122-1WB40 is a peer auxiliary contact block in the same SIRIUS family, but it has a different contact configuration and terminal arrangement. The 3RH2911-1HA11-ZW98 is designed specifically for front mounting on 3RT2/3RH2 devices with a 1 NO + 1 NC pattern and screw terminals. Verify wiring before substituting.

What is the listed note 'with 3RH2' on this component line?

The note indicates the auxiliary switch is designed for use with 3RH2 contactor relays, as well as 3RT2 contactors.

What is the depth of 3RH2911-1HA11-ZW98?

The depth is 43.7 mm.

Will 3RH2911-1HA11-ZW98 drop into a panel specified around 3RH2122-1WB40 without rewiring?

Both are SIRIUS auxiliary contact blocks for the same contactor platform, so the mechanical fit on the contactor front is the same. However, the contact arrangement and terminal layout differ — the 3RH2911-1HA11-ZW98 has 1 NO + 1 NC with screw terminals, while the 3RH2122-1WB40 may have a different contact set. Verify the wiring diagram matches before installing.

MPN
3RH2911-1HA11-ZW98